Chongecheon - CUE

Question 1

Reasons for and aims of project

Answer 1

• river has flowed through Seoul since 1300s but was covered up in 1960’s
• poor air quality meant that the government uncovered the river
• aim to improve air quality, urban drainage, reduce traffic and increase number commuting on foot

Question 2

What was done

Answer 2

• riverbanks vegetated as part of the wider plan to create a ‘Seoul forest’
• created a ‘green corridor’ for wildlife
• created a space for events to engage community in projects
• created a constant flow of water through the city

Question 3

When was the river built over

Answer 3

In 1958 the river was covered in concrete

Question 4

How much was the project?

Answer 4

$281 million

Question 5

Number of tourists

Answer 5

190 million tourists in 10 years

Question 6

1970

Answer 6

• covered over river became a highway

- average of18000 cars a day

Question 7

Demographic

Answer 7

• population of 10 million

- full area has a population of 24 million

Question 8

Effects of removing the river and vegetation

Answer 8

• irregular flow rates

- no evapotranspiration

Question 9

What are the benefits of the project

Answer 9

• There is now a flow rate of 118mm/hr
• biodiversity has increased by 640%
• this has increased the levels of O2
• there has been a decrease of 2.5C
• a 3.5% business increase
• protected against a 200 year flood event

Question 10

Number of events

Answer 10

• there have been around 29,000 live events

- from 2005-2013

Question 11

Cost of maintenance

Answer 11

$6.5 million yearly maintenance

Question 12

Key river facts

Answer 12

• River was uncovered in 2003
• 5.6km long
• 22 bridges, 12 for pedestrains

Question 13

How was the river improved

Answer 13

• 40cm deep

- means that there is a regular flow

Question 14

House pricing

Answer 14

House prices within 50m of the river have increased by 50%

Question 15

Negatives of the river

Answer 15

120,000 tonnes of water pumped per day from else where into the river